/**
* @authors <darl2ng@gmail.com, ngocanh.ngo@gmail.com>
* @version 0.9
* Copyright 2010
* 
* The MIT License
* Copyright (c) 2010 <darl2ng@gmail.com, ngocanh.ngo@gmail.com>
* 
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* 
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
* 
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package {
	
	import com.ng.ResHelp.c_Controler;
	import flash.display.DisplayObject;
	import flash.display.MovieClip;
	import flash.events.Event;

	public class c_PhysCircleAnimatedLips extends c_Controler{		
		
		private var go_up:Boolean = true;
		private var radian:int = 5;
		private var orgY:int = 0;
		
		public function c_PhysCircleAnimatedLips() {}
		
		public override function set skin(skin:DisplayObject):void {			
			
			super.skin = skin;
			orgY = __Skin.y;
			if (skin is MovieClip ) {
				__Skin.addEventListener(Event.ENTER_FRAME, lipsMoving);
			}
		}
		
		private function lipsMoving(e:Event) {
			if (go_up) {
				e.target.y --; 
			} else {
				e.target.y ++; 
			}
			if (e.target.y < orgY-radian) {
				go_up = false;
			} else if (e.target.y > orgY+radian) go_up = true;
		}
	}
}